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Facts of the Matter | Hawaii News

Magnetic ‘magic’ offers a cool way to charge, cook

  • NEW YORK TIMES / 2010

    Induction cooking starts off with an alternating current, which flows through burner pads on a stove. The magnetic field that results interacts with the magnetic material in the cooking vessel, producing thermal energy. Lisa Simpson of Snohomish, Wash., uses her six-range induction stove to cook salmon and orecchiette with asparagus and leeks.

Charging a cellphone on an induction pad seems like magic, and in a way it is. Induction is a feature of electromagnetism that Michael Faraday stated in 1831, now known as Faraday’s law. It is the basis for much of modern electrical and electronic technology. Read more

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